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A 1200 kg cannon fires a 100.0kg cannonball at 45m/s. What is the velocity of the cannon? Assume that frictional forces are negligible and the cannon is fired horizontally.
Why is N level is an important indicator of the health of an aquatic ecosystem? support with references (no website references)
produces an alcohol isomeric to one obtained by hydroboration-oxidation of the same alkene. Reduction of the alkene affords the compound C5H12, while ozonolysis yields an aldehyde, CH3CHO, as one of the products. Deduce the structure of the alkene..
Why do adjacent pairs of primers give a PCR product, but non-adjacent pairs of primers would not?- the pairs of short primers we using are both complementary to a single strand of DNA from the organism's genome.
List the three principal types of chemical bonds in order of strength with the strongest first. Please include a short description of each and an example of each.
In the following reaction, Zn (s) + CuSO4 (aq) ? ZnSO4 (aq) + Cu (s) What is the reducing agent and what is the oxidixing agent
Problem- A weather balloon with a volume of 200.0 L is launched at 20oC and 1.06 atm. The balloon rises to an altitude of 20,000 meters, where the pressure is 63 torr and the temperature is -63oC? What is the new volume of the balloon at that alti..
List the letter that corresponds to the reagent from the reagent table you need to carry out the following synthesis in 5 steps or less. Heat may not appear on the reagent table with the reagent
in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
what is the molarity of a solution created by dissolving 75.3 grams of sodium carbonate in enough water to create 2.50
The other electrode is a lead grid filled with spongy lead oxide PbO2(s). The net reaction that occurs is:
Question- If a 5.26g sample of copper at 258 degrees Celsius is placed in 125 mL of water at 21.0 degrees celsius how hot will the water get? Assume no heat loss to the surroundings. The specific heat of copper is 0.385J/g*degrees Celsius.
Molecule X has an absorbance of 0.287 at 247nm when a 7.67 x 10^-5 M solution is measured in a 2.25 cm cell. What is the molar absorptivity of X
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